Gun control is a subject________Americans have argued for a long time.
| A．of which | B．with which |
| C．about which | D．into which |
— Where will you start your work after graduation?
— Mmm, it’s not been decided yet. I____ continue my study for a higher degree.
| A．need | B．must |
| C．would | D．may |
It is _____to spend a great deal of money on such meaningless and useless things.
| A．cautious | B．curious |
| C．ridiculous | D．particular |
____ private cars are bringing us convenience, they may also cause more traffic accidents and pollution.
| A．While | B．As | C．If | D．Since |
—I'm afraid I can’t do well in the job interview. Could you give me some advice?
—______ Have confidence in yourself.
| A．Never mind. | B．Take care! |
| C．Take it easy. | D．It's too bad. |
He ____enough time, otherwise he could have done it better.
| A．hadn’t given | B．didn’t give |
| C．hasn’t been given | D．wasn’t given |